Hershey (PA)
September
Weather in Hershey, Pennsylvania for September 2025
Your guide to Hershey weather in September - trends and predictions
In general, the average temperature in Hershey at the beginning of September is 23.3 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 19.9 °F by the end of September.
The climate of Hershey in September is notably wet, with an average of 13 rainy days, and a total of 111.2 mm of precipitation.
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Temperatures
Rain 🌧️
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17
Dry days
13
Rainy days
0
Snow days
23°/14°
Temperatures
15 km/h
Avg max wind
76 %
Avg humidity
Hershey Weather September
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Temperatures trend during September in Hershey
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September weather in Hershey day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Heavy rain at times | 28° /19° | 4.4 mm | 6 | |
| Sept. 2 |  Partly cloudy | 22° /14° | 0 mm | 6 | |
| Sept. 3 |  Sunny | 22° /10° | 0 mm | 6 | |
| Sept. 4 | Partly cloudy | 23° /9° | 0 mm | 6 | |
| Sept. 5 | Sunny | 24° /10° | 0 mm | 6 | |
| Sept. 6 |  Overcast | 24° /12° | 0 mm | 5 | |
| Sept. 7 |  Moderate or heavy rain shower | 20° /12° | 3.8 mm | 5 | |
| Sept. 8 | Sunny | 20° /8° | 0 mm | 6 | |
| Sept. 9 | Partly cloudy | 25° /9° | 0 mm | 7 | |
| Sept. 10 | Sunny | 26° /12° | 0 mm | 7 | |
| Sept. 11 | Sunny | 27° /12° | 0 mm | 7 | |
| Sept. 12 | Sunny | 26° /13° | 0 mm | 7 | |
| Sept. 13 | Sunny | 27° /13° | 0 mm | 7 | |
| Sept. 14 | Partly cloudy | 29° /14° | 0 mm | 7 | |
| Sept. 15 | Partly cloudy | 28° /14° | 0 mm | 7 | |
| Sept. 16 | Overcast | 24° /12° | 0 mm | 5 | |
| Sept. 17 | Overcast | 24° /16° | 0 mm | 5 | |
| Sept. 18 |  Patchy rain possible | 23° /16° | 1.1 mm | 5 | |
| Sept. 19 | Overcast | 25° /15° | 0 mm | 6 | |
| Sept. 20 |  Cloudy | 25° /15° | 0 mm | 6 | |
| Sept. 21 | Moderate or heavy rain shower | 24° /16° | 5.5 mm | 5 | |
| Sept. 22 | Patchy rain possible | 20° /16° | 4.4 mm | 5 | |
| Sept. 23 | Moderate rain at times | 19° /14° | 4.4 mm | 4 | |
| Sept. 24 | Overcast | 19° /14° | 1.2 mm | 4 | |
| Sept. 25 | Moderate or heavy rain shower | 20° /16° | 19.4 mm | 5 | |
| Sept. 26 | Moderate or heavy rain shower | 26° /19° | 6.3 mm | 6 | |
| Sept. 27 | Heavy rain at times | 21° /18° | 6.1 mm | 5 | |
| Sept. 28 | Patchy rain possible | 20° /16° | 1.5 mm | 5 | |
| Sept. 29 | Patchy rain possible | 17° /15° | 1.5 mm | 4 | |
| Sept. 30 |  Moderate rain | 16° /13° | 51.6 mm | 4 | |
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Important Notice
Our weather forecast for Hershey in September is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Hershey forecast closer to your planned date for the most up-to-date weather information.
Change Month
Hershey in September - FAQ
What are the expected maximum and minimum temperatures in Hershey during September?
Enjoy moderate daytime temperatures of up to 23° and cooler nights around 14°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Hershey during September?
Significant rainfall exceeding 111.2 mm is expected in Hershey during September, occurring over more than 13 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Hershey during September?
The average wind speed in Hershey during September is 15 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Hershey
Explore the daily rainfall trends and prepare for Hersheys September weather 💧
UV exposure in Hershey during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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